1275657986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{1559}}^1$

素因数の和:1994

約数の個数: 32

約数和(自身を含む): 2054332800

約数和(自身を除く): 778674814

約数列:

[1, 2, 19, 38, 61, 122, 353, 706, 1159, 1559, 2318, 3118, 6707, 13414, 21533, 29621, 43066, 59242, 95099, 190198, 409127, 550327, 818254, 1100654, 1806881, 3613762, 10456213, 20912426, 33569947, 67139894, 637828993, 1275657986]

約数ペア:

[(1, 1275657986), (2, 637828993), (19, 67139894), (38, 33569947), (61, 20912426), (122, 10456213), (353, 3613762), (706, 1806881), (1159, 1100654), (1559, 818254), (2318, 550327), (3118, 409127), (6707, 190198), (13414, 95099), (21533, 59242), (29621, 43066)]